Pro-Line Fittings

ProLine
  • ProLine® - Brass Foot Check Valve
    ProLine®Brass Foot Check Valve (101-324NL)
    0
    # mpn4679739526
    Brass Foot Check Valve (101-324NL) by ProLine®. Size: 3/4". Connection: FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with steam,...
    Stainless steel strainger & spring for corrosion resistanceSpring loaded poppet
    $15.39
  • ProLine® - Brass Push Fit 90° Elbow
    ProLine®Brass Push Fit 90° Elbow (631-004HC)
    0
    # mpn4679739617
    Brass Push Fit 90° Elbow (631-004HC) by ProLine®. Size: 3/4" x 3/4". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $14.55
  • ProLine® - Brass Push Fit 90° Elbow
    ProLine®Brass Push Fit 90° Elbow (631-043HC)
    0
    # mpn4679739591
    Brass Push Fit 90° Elbow (631-043HC) by ProLine®. Size: 3/4" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $15.13
  • ProLine® - Brass Push Fit 90° Elbow
    ProLine®Brass Push Fit 90° Elbow (631-003HC)
    0
    # mpn4679739590
    Brass Push Fit 90° Elbow (631-003HC) by ProLine®. Size: 1/2" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $11.90
  • ProLine® - Brass Push Fit Cap
    ProLine®Brass Push Fit Cap (633-004HC)
    0
    # mpn4679739593
    Brass Push Fit Cap (633-004HC) by ProLine®. Size: 3/4". Connection: PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these fittings are certified to...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $10.34
  • ProLine® - Brass Push Fit Cap
    ProLine®Brass Push Fit Cap (633-003HC)
    0
    # mpn4679739583
    Brass Push Fit Cap (633-003HC) by ProLine®. Size: 1/2". Connection: PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these fittings are certified to...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $9.17
  • ProLine® - Brass Push Fit Coupling
    ProLine®Brass Push Fit Coupling (630-003HC)
    0
    # mpn4679739639
    Brass Push Fit Coupling (630-003HC) by ProLine®. Size: 1/2" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these fittings...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $10.81
  • ProLine® - Brass Push Fit Coupling
    ProLine®Brass Push Fit Coupling (630-005HC)
    0
    # mpn4679739615
    Brass Push Fit Coupling (630-005HC) by ProLine®. Size: 1" x 1". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these fittings are...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $21.06
  • ProLine® - Brass Push Fit Female Adapter
    ProLine®Brass Push Fit Female Adapter (630-205HC)
    0
    # mpn4679739641
    Brass Push Fit Female Adapter (630-205HC) by ProLine®. Size: 1" x 1". Connection: PF x FPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $17.53
  • ProLine® - Brass Push Fit Female Adapter
    ProLine®Brass Push Fit Female Adapter (630-204HC)
    0
    # mpn4679739579
    Brass Push Fit Female Adapter (630-204HC) by ProLine®. Size: 3/4" x 3/4". Connection: PF x FPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $11.90
  • ProLine® - Brass Push Fit Female Adapter
    ProLine®Brass Push Fit Female Adapter (630-203HC)
    0
    # mpn4679739578
    Brass Push Fit Female Adapter (630-203HC) by ProLine®. Size: 1/2" x 1/2". Connection: PF x FPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $10.66
  • ProLine® - Brass Push Fit Male Adapter
    ProLine®Brass Push Fit Male Adapter (630-104HC)
    0
    # mpn4679739589
    Brass Push Fit Male Adapter (630-104HC) by ProLine®. Size: 3/4" x 3/4". Connection: PF x MPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $11.86
  • ProLine® - Brass Push Fit Male Adapter
    ProLine®Brass Push Fit Male Adapter (630-103HC)
    0
    # mpn4679739588
    Brass Push Fit Male Adapter (630-103HC) by ProLine®. Size: 1/2" x 1/2". Connection: PF x MPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $10.10
  • ProLine® - Brass Push Fit Male Adapter
    ProLine®Brass Push Fit Male Adapter (630-105HC)
    0
    # mpn4679739577
    Brass Push Fit Male Adapter (630-105HC) by ProLine®. Size: 1" x 1". Connection: PF x MPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $18.06
  • ProLine® - Brass Push Fit Repair Coupling
    ProLine®Brass Push Fit Repair Coupling (630-303HC)
    0
    # mpn4679739616
    Brass Push Fit Repair Coupling (630-303HC) by ProLine®. Size: 1/2" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Repair couplingThreaded to industry specifications to provide a secure and trusted fit
    $20.00
  • ProLine® - Brass Push Fit Repair Coupling
    ProLine®Brass Push Fit Repair Coupling (630-304HC)
    0
    # mpn4679739580
    Brass Push Fit Repair Coupling (630-304HC) by ProLine®. Size: 3/4" x 3/4". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Repair couplingThreaded to industry specifications to provide a secure and trusted fit
    $19.99
  • ProLine® - Brass Push Fit Tee
    ProLine®Brass Push Fit Tee (632-003HC)
    0
    # mpn4679739592
    Brass Push Fit Tee (632-003HC) by ProLine®. Size: 1/2" x 1/2" x 1/2". Connection: PF x PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $13.79
  • ProLine® - Brass Push Fit Tee
    ProLine®Brass Push Fit Tee (632-004HC)
    0
    # mpn4679739581
    Brass Push Fit Tee (632-004HC) by ProLine®. Size: 3/4" x 3/4" x 3/4". Connection: PF x PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Carefully produced and threaded to industry specifications to provide a secure and trusted fitDeveloped for carrying water in commercial plumbing and OEM applications, they are also used in oil, gas and steam applications
    $16.33
  • ProLine® - Brass Standard Boiler Drain
    ProLine®Brass Standard Boiler Drain (102-104)
    0
    # mpn4679739532
    Brass Standard Boiler Drain (102-104) by ProLine®. Size: 3/4". Connection: FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with...
    125 PSI maximum working pressureRising stem for positive open and close operation
    $10.28
  • ProLine® - Brass Standard Boiler Drain
    ProLine®Brass Standard Boiler Drain (102-103)
    0
    # mpn4679739528
    Brass Standard Boiler Drain (102-103) by ProLine®. Size: 1/2". Connection: FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with...
    125 PSI maximum working pressureRising stem for positive open and close operation
    $9.78
  • ProLine® - Chrome-Plated Brass Washing Machine Valve
    ProLine®Chrome-Plated Brass Washing Machine Valve (102-201)
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    # mpn4679739545
    Chrome-Plated Brass Washing Machine Valve by ProLine®. Size: 1/2" (5/8"). Connection: OD. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including...
    Chrome-plated brass construction3/4" hose thread outlet
    $11.55
  • ProLine® - Front Operated Chrome-Plated Brass Washing Machine Valve
    ProLine®Front Operated Chrome-Plated Brass Washing Machine Valve (102-203)
    0
    # mpn4679739542
    Front Operated Chrome-Plated Brass Washing Machine Valve by ProLine®. Size: 1/2". Connection: FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Chrome-plated brass construction3/4" hose thread outlet
    $11.15
  • ProLine® - In-Line Bypass Chrome-Plated Brass Washing Machine Valve
    ProLine®In-Line Bypass Chrome-Plated Brass Washing Machine Valve (102-204)
    0
    # mpn4679739546
    In-Line Bypass Chrome-Plated Brass Washing Machine Valve by ProLine®. Size: 1/2". Connection: MIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    Chrome-plated brass construction3/4" hose thread outlet
    $14.95
  • ProLine® - In-Line Bypass Reversible Chrome-Plated Brass Washing Machine Valve
    ProLine®In-Line Bypass Reversible Chrome-Plated Brass Washing Machine Valve (102-205)
    0
    # mpn4679739534
    In-Line Bypass Reversible Chrome-Plated Brass Washing Machine Valve by ProLine®. Size: 1/2". Connection: MIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    Chrome-plated brass construction3/4" hose thread outlet
    $15.46
  • ProLine® - Quarter Master™ Brass Quarter Turn Boiler Drain
    ProLine®Quarter Master™ Brass Quarter Turn Boiler Drain (102-054HN)
    0
    # mpn4679739527
    Quarter Master™ Brass Quarter Turn Boiler Drain (102-054HN) by ProLine®. Size: 3/4" or 1/2". Connection: MIP or FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow...
    125 PSI maximum working pressureEasy quarter-turn operation
    $10.41
  • ProLine® - Quarter Master™ Brass Quarter Turn Boiler Drain
    ProLine®Quarter Master™ Brass Quarter Turn Boiler Drain (102-053HN)
    0
    # mpn4679739514
    Quarter Master™ Brass Quarter Turn Boiler Drain (102-053HN) by ProLine®. Size: 1/2". Connection: MIP or SWT. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    125 PSI maximum working pressureEasy quarter-turn operation
    $10.46
  • ProLine® - Reducing Brass Push Fit Coupling
    ProLine®Reducing Brass Push Fit Coupling (630-043HC)
    0
    # mpn4679739640
    Reducing Brass Push Fit Coupling (630-043HC) by ProLine®. Size: 3/4" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Reducing couplingCarefully produced and threaded to industry specifications to provide a secure and trusted fit
    $12.05
  • ProLine® - Reducing Brass Push Fit Coupling
    ProLine®Reducing Brass Push Fit Coupling (630-023HC)
    0
    # mpn4679739576
    Reducing Brass Push Fit Coupling (630-023HC) by ProLine®. Size: 3/8" x 1/2". Connection: PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these...
    Reducing couplingCarefully produced and threaded to industry specifications to provide a secure and trusted fit
    $14.06
  • ProLine® - Reducing Brass Push Fit Tee
    ProLine®Reducing Brass Push Fit Tee (632-433HC)
    0
    # mpn4679739618
    Reducing Brass Push Fit Tee (632-433HC) by ProLine®. Size: 3/4" x 1/2" x 1/2". Connection: PF x PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC...
    Reducing teeCarefully produced and threaded to industry specifications to provide a secure and trusted fit
    $15.48
  • ProLine® - Reducing Brass Push Fit Tee
    ProLine®Reducing Brass Push Fit Tee (632-434HC)
    0
    # mpn4679739582
    Reducing Brass Push Fit Tee (632-434HC) by ProLine®. Size: 3/4" x 1/2" x 3/4". Connection: PF x PF x PF. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC...
    Reducing teeCarefully produced and threaded to industry specifications to provide a secure and trusted fit
    $17.38




The availability of fresh water is arguably one of the most appealing features of RVs. It means hot showers, delicious food, and using your private toilet – in other words, on-road comfort at the highest level. For this reason, it is crucial to ensure that the whole system is well-kept, and that everything functions properly. Checking the system beforehand is recommended to avoid any possible issues when you are parked in remote areas and far from a spare parts supplier. If you need to replace some fittings or valves of the RV's plumbing system, consider the Pro-Line trademark by BK Products.

Founded over forty years ago, the company sets the bar for flow control solutions in the plumbing industry. Pro-Line fittings include a vast choice of specialized connectors and valves to repair or upgrade home and RV plumbing systems. We offer a wide selection of brass, brass chrome-plated, and PVC valves. Common designs include washing machine valves, ball, and foot check valves. You can also find various connectors, adapters, and hose bibb locks to ensure that your RV's plumbing system works properly. As they say at Pro-Line, the quality of people's life at home or in an RV depends on the dependability of the plumbing system and the parts they choose.

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